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DSSSB TGT Probability — practice questions

Explore 69 free Probability questions in DSSSB TGT Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Probability questions and exercises with answers

Showing questions 1–30 of 69.

Probability measures:Read the answer and worked solution →The probability of an IMPOSSIBLE event is:Read the answer and worked solution →The probability of getting HEADS when flipping a fair coin is:Read the answer and worked solution →The probability of rolling a 3 on a fair six-sided die is:Read the answer and worked solution →What is the probability of rolling an EVEN number on a fair six-sided die?Read the answer and worked solution →If a bag has 6 cards numbered 1 to 6, and 3 of them are purple, the probability of drawing a PURPLE card is:Read the answer and worked solution →The probability of drawing any number from 2 to 10 from a standard deck of 52 cards is:Read the answer and worked solution →If you toss a fair coin and the probability of heads is 1/2, what is the probability of NOT getting heads?Read the answer and worked solution →A die is rolled. What is the probability of getting a number GREATER THAN 6?Read the answer and worked solution →An event is described as having 'EVEN CHANCE'. Its probability is:Read the answer and worked solution →A class of 30 students has 18 girls. The probability that a randomly chosen student is a BOY is:Read the answer and worked solution →The theoretical probability of an event E is:Read the answer and worked solution →The probability of a sure (certain) event is:Read the answer and worked solution →The probability of an impossible event is:Read the answer and worked solution →The probability of any event E always lies between:Read the answer and worked solution →For any event E, the sum P(E) + P(not E) equals:Read the answer and worked solution →The probability of getting a head when an unbiased coin is tossed once is:Read the answer and worked solution →The probability of getting a 3 when a fair die is rolled once is:Read the answer and worked solution →The probability of getting an even number on a single roll of a fair die is:Read the answer and worked solution →The probability of drawing a red card from a well-shuffled deck of 52 cards is:Read the answer and worked solution →The probability of drawing an ace from a well-shuffled deck of 52 cards is:Read the answer and worked solution →Outcomes that have the same chance of occurring are said to be:Read the answer and worked solution →If the probability of an event is 0.3, the probability of it not happening is:Read the answer and worked solution →The probability of getting a number greater than 6 in a single roll of a die is:Read the answer and worked solution →A fair coin is tossed. What is the probability of getting a head?Read the answer and worked solution →A fair die is rolled. What is the probability of getting an even number?Read the answer and worked solution →What can the probability of an event NOT be?Read the answer and worked solution →If the probability of rain tomorrow is 0.4, what is the probability that it will NOT rain?Read the answer and worked solution →A die is rolled once. What is the probability of getting a number greater than 4?Read the answer and worked solution →A card is drawn at random from a standard deck. What is the probability of getting a king?Read the answer and worked solution →

Worked practice questions

Probability measures:

  1. Length of an object
  2. Likelihood that an event will occur
  3. Weight of a substance
  4. Temperature
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Correct answer: B. Likelihood that an event will occur

Probability is a measurement of likelihood — how likely an event is to occur. It ranges from 0 (impossible) to 1 (certain). It's analogous to length, mass, or volume, but for uncertain events.

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The probability of an IMPOSSIBLE event is:

  1. 0
  2. 0.5
  3. 1
  4. Negative
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Correct answer: A. 0

An impossible event has probability exactly 0. Example: rolling a 7 on a standard 6-sided die. **Probability scale:** 0 (impossible) → 0.5 (equally likely / even chance) → 1 (certain).

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The probability of getting HEADS when flipping a fair coin is:

  1. 0
  2. 1/4
  3. 1/2
  4. 1
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Correct answer: C. 1/2

A fair coin has two equally likely outcomes: heads or tails. Probability of heads = (favourable outcomes) / (total outcomes) = 1/2 = 0.5. Same for tails.

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More Mathematics topics

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